Vacuum device

• US 3,149,742 A
• Filed: 03/27/1963
• Issued: 09/22/1964
• Est. Priority Date: 03/27/1963
• Status: Expired due to Term

• Current Assignee: Duncan Hay Robert, Milo P. Hnilicka Jr
• Original Assignee: Duncan Hay Robert, Milo P. Hnilicka Jr
• Inventors: DUNCAN HAY ROBERT, Hnilicka, Milo P. Jr.
• Application Number:
  US04/268,352
• Time in Patent Office: 545 Days
• US Class Current: 220/560.13
• CPC Class Codes: F17C 13/001 Thermal insulation specially adapted for cryogenic vessels vessels not under pressure with insulation F17C3/02; thermal insulation in general F16L59/00
• CPC Class Codes: F17C 2203/03 Thermal insulations
• CPC Class Codes: F17C 2203/0391 by vacuum
• CPC Class Codes: F17C 2203/0629 Two walls
• CPC Class Codes: F17C 2221/012 Hydrogen
• CPC Class Codes: F17C 2223/0161 cryogenic, e.g. LNG, GNL, PLNG
• CPC Class Codes: Y02E 60/32 Hydrogen storage
• CPC Class Codes: Y10S 220/901 Liquified gas content, cryogenic
• CPC Class Codes: Y10T 428/265 1 mil or less

Claims

1. A DOUBLE-WALLED INSULATED CONTAINER COMPRISING AN OUTER RADIAL SERIES OF FLEXIBLE RADIATION BARRIERS IN THE SPACE BETWEEN THE WALLS AND AN INNER RADIAL SERIES OF FLEXIBLE RADIATION BARRIERS IN THE SPACE BETWEEN THE WALLS, A SUPPORT ASSEMBLY BETWEEN THE INNER AND OUTER SERIES COMPRISING A DISTRIBUTED SET OF RIGID STRINGERS OF THIN SECTION, ONE END OF EACH STRINGER BEARING AGAINST THE OUTER WALL VIA THE OUTER SERIES OF BARRIERS SO THAT THE BARRIERS ARE COMPRESSED AT THE POINT OF BEARING CONTACT, THE OTHER END OF EACH STINGER BEARING AGAINST THE INNER WALL VIA THE INNER SERIES OF BARRIERS SO THAT THE BARRIERS ARE COMPRESSED AT THE POINT OF BEARING CONTACT, EACH STRINGER BEING ARRANGED SO THAT THE INNER AND OUTER POINTS OF BEARING CONTACT ARE OUT OF PERIPHERAL ALIGNMENT WITH EACH OTHER AND SAID POINTS OF BEARING CONTACT COMPRISING ESSENTIALLY THE ONLY POINTS ALONG THE CONTAINER WALLS WHERE RADIATION BARRIERS ARE COMPRESSED SO THAT EACH RADIAL RADIATION PATH PASSING THROUGH THE DOUBLE WALL OF THE CONTAINER IS INTERCEPTED BY AT LEAST ONE SERIES OF PROPERLY SPACED RADIATION BARRIERS.